How many people live in Wilson County, TN?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 169,900 people living in Wilson County, TN. That makes Wilson County the ninth-most populous county in Tennessee. It is home to 2.3% of people living in the state.
170K
population of Wilson County, TN (2024)
2.3%
County share of the Tennessee population (2024)
About 169,900 people lived in Wilson County, TN in 2024.
Population estimates, 2000–2024
What are Wilson County, TN’s age demographics?
About 27,600 Wilson County, TN residents are aged 65 and older in 2024. That represents 16.3% of its population. For comparison, the age group represents 17.7% of Tennessee’s population and 18% in the US overall.
Another 39,400 Wilson County residents, or 23.2% of the population, were children under 18. For comparison, the age group represents 22% of Tennessee’s population and 21.6% in the US overall.
A lower share of Wilson County, TN's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Wilson County, TN’s racial and ethnic demographics?
Non-Hispanic white residents make up 78.9% of the Wilson County, TN population, higher than the national share of 57.5%.
In contrast, Wilson County’s Hispanic population accounts for 7.5%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 7.9% of the county, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Wilson County, TN has a higher share of a non-Hispanic white population than Tennessee as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Wilson County, TN is Lebanon with about 51,500 residents in 2024.
Cities and towns in Wilson County, TN ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Lebanon | 51,501 |
| 2. | Mount Juliet | 44,066 |
| 3. | Watertown | 1,642 |
| 4. | Balance of Wilson County | 72,739 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
